Acoustical Imaging

1. Front Matter

   Pages i-xii

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2. Inversion and Tomography

   1. Inverse Solutions for Multiple Scattering in Inhomogeneous Acoustic Media

      • J. M. Blackledge, L. Zapalowski

      Pages 1-14

   2. A Filtered Backpropogation Algorithm for Fan Beam Diffraction Tomography

      • A. J. Devaney, G. Beylkin

      Pages 15-15

   3. Fourier Domain Reconstruction Methods with Application to Diffraction Tomography

      • M. Soumekh, M. Kaveh, R. K. Mueller

      Pages 17-30

   4. Image Reconstruction from Limited Projections Using the Angular Periodicity of the Fourier Transform of the Radon Transforms of an Object

      • M. Soumekh

      Pages 31-42

   5. Multifrequency Diffraction Tomography

      • James F. Greenleaf, Aloysius Chu

      Pages 43-56

   6. The Inverse Acoustical Scattering Problem for Layered Media in the Presence of Broad-Band Acoustic Noise and with Limited Transducer Bandwidth

      • P. C. Pedersen, O. J. Tretiak, J. Bai

      Pages 57-73

   7. Fast Iterative Algorithms for Inverse Scattering Solutions of the Helmholtz and Riccati Wave Equations

      • S. A. Johnson, Y. Zhou, M. K. Tracy, M. J. Berggren, F. Stenger

      Pages 75-87

3. Microscopy

   1. Acoustical Imaging/NDE of Complex Geometries Using Refraction and Reflection Transmission Techniques in Acoustic Microscopy

      • Michael Oravecz, Carol Vorres, Lawrence W. Kessler

      Pages 89-89

   2. Computer-assisted Tomographic Acoustic Microscopy for Subsurface Imaging

      • Zse-Cherng Lin, Hua Lee, Glen Wade, Carl F. Schueler

      Pages 91-105

   3. The Origin of Grain Contrast in the Scanning Acoustic Microscope

      • M. G. Soumekh, G. A. D. Briggs, C. Ilett

      Pages 107-118

   4. Detection of Surface-Breaking Cracks in the Acoustic Microscope

      • M. G. Soumekh, G. A. D. Briggs, C. Ilett

      Pages 119-128

4. Scattering and Propagation

   1. Description of the Pulsed Acoustic Field of a Linear Diagnostic Ultrasound Array Using a Simple Approximate Expression

      • M. Pappalardo, N. Denisenko, G. Scarano, M. Matteucci

      Pages 129-145

   2. Cross-Sectional Measurements and Extrapolations of Ultrasonic Fields

      • R. C. Waag, J. A. Campbell, J. Ridder, P. R. Mesdag

      Pages 147-147

   3. Spectrum of Echo Scattered by Simple Object Placed at Focal Plane of Ultrasonic Transducer

      • Mitsuhiro Ueda

      Pages 149-162

   4. Measurement and Simulation of the Scattering of Ultrasound by Penetrable Cylinders

      • Brent S. Robinson, James F. Greenleaf

      Pages 163-178

   5. Fresnel Approximation in the Non Paraxial Case and in Absorbing Media

      • P. Alias, P. Cervenka

      Pages 179-192

5. Tissue and Material Characterization

   1. Material Characterization by Acoustic Line-focus Beam

      • Jun-ichi Kushibiki, Yasushi Matsumoto, Noriyoshi Chubachi

      Pages 193-202

   2. Ultrasonic Velocity Spatial Distribution Analysis of Biological Materials with the Scanning Laser Acoustic Microscope

      • P. M. Embree, S. G. Foster, G. Bright, W. D. O’Brien Jr.

      Pages 203-216

   3. Diffraction of Ultrasound by Soft Tissues:The Inhomogeneous Continuous Model

      • C. M. Sehgal, J. F. Greenleaf

      Pages 217-231

This volume constitutes the proceedings of the Thirteenth Inter­ national Symposium on Acoustical Imaging which was held in Minneapolis, Minnesota during October 26-28, 1983. Forty-eight research papers were presented during the meeting by researchers from twelve countries, again demonstrating the true international character of these meetings. Of these presentations this volume contains forty-two complete manuscripts. The abstracts for addi­ tional papers that were not available at publication time are also included. According to the recent tradition of these symposia an inter­ disciplinary program under the general theme of acoustical imaging was organized. This can clearly be observed from the wide range of topics and approaches contained in the following manuscripts. There are papers of mathematical nature dealing with the basis of image formation and algorithms for digitally carrying out specific imaging tasks. One finds manuscripts dealing with the design and construction of imaging transducers as well as complete imaging systems. Applications include medical imaging and nondestructive testing, seismic and underwater imaging. This volume, therefore, should be of interest to active researchers in acoustical imaging as a report on current research and to workers in signal process­ ing, sonics and ultrasonics who are interested in exploring the diverse areas of application for their fields of interest. These proceedings are organized in seven topical sections, paral­ leling the sessions of the conference. These are: Inversion and Tomography, Microscopy, Scattering and Propagation, Tissue and Material Characterization, Signal Processing, Transducers and Arrays, Imaging Systems and Special Techniques.

• Experiment
• Phase
• ultrasonic imaging
• ultrasound
• wave equation

• University of Minnesota, Minneapolis, USA

  M. Kaveh, R. K. Mueller

• Mayo Clinic, Rochester, USA

  J. F. Greenleaf

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